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★ Curated List 5 movies Updated May 2026

The Best Korean Thriller Movies, Ranked

Korean thrillers — psychological, revenge, crime, and slow-burn — selected by the FilmLookup editorial team for story, craft, and influence. Updated quarterly. No paid placements, no streaming partnerships.

/ The full ranking

Top picks, one at a time

Rank
01
★ 8.5

Guardian: The Lonely and Great God

2016· South Korea· Drama · Sci-Fi & Fantasy· 1h 17m
● Why it belongs

A Korean drama that earns its place through Lee Eung-bok's direction and a screenplay that takes its time.

In his quest for a bride to break his immortal curse, a 939-year-old guardian of souls meets a grim reaper and a sprightly student with a tragic past.

DramaSci-Fi & Fantasy
Rank
02
★ 8.1

Mr. Plankton

2024· South Korea· Comedy · Drama·
● Why it belongs

A Korean comedy that earns its place through Hong Jong-chan's direction and a screenplay that takes its time.

A man plagued by misfortune and his ex, the unluckiest bride-to-be, are forced to accompany one another on the final journey of his life.

ComedyDrama
Rank
03
★ 8.1

Oldboy

2003· South Korea· Drama · Thriller· 2h 00m
● Why it belongs

A Korean drama that earns its place through Park Chan-wook's direction and a screenplay that takes its time.

With no clue how he came to be imprisoned, drugged and tortured for 15 years, a desperate man seeks revenge on his captors.

DramaThriller
Rank
04
★ 7.2

My ID is Gangnam Beauty

2018· South Korea· Comedy · Drama· 1h 05m
● Why it belongs

A Korean comedy that earns its place through —'s direction and a screenplay that takes its time.

Bullied for her looks, Mi-rae gets plastic surgery hoping for a better kind of life but faces new challenges in college.

ComedyDrama
05

When the Phone Rings

2024 · Drama · Mystery
Drama · Mystery
★ 5.8 /10
★ Methodology

How we picked these films

Each list is shaped by our editorial team. We watch (and re-watch) every film, weight 6 criteria, and publicly date every revision. We don't accept placements, partnerships, or paid promotion.

● Story Quality
Plot integrity, originality, character work.
● Craft
Direction, editing, sound, performance.
● Influence
Effect on genre conventions since release.
● Rewatch Value
How the film holds up across viewings.
● Availability
Whether readers can actually watch it.
● Cultural Context
Importance within the local film tradition.